Opostal  1915- <br/><br/>
An introduction to the theory of numbers / 
Opostal 
 - 4th ed. 
 - New York :  Wiley,  c1980. 
 - xii, 335 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 318-319. 
<br/><br/><label>ISBN: </label>0471028517 :  $18.95 (est.) 
<br/><br/><label>LCCN: </label>79024869  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.
<br/><br/><label>LC Class. No.: </label>QA241  / .N56 1980 
<br/><br/><label>Dewey Class. No.: </label>512.7